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Buchu

Uses

Principal Proposed Uses

Buchu has a long tradition of use for the treatment of bladder and urinary tract problems, especially urinary tract infections. In South Africa, buchu and other plants similar to it are additionally used for stomach aches, joint pain, and colds and flus. The leaves are the part used medicinally.

What is Buchu Used for Today?

Many herbalists use buchu as a part of herbal combinations designed for kidney and bladder problems. Buchu is said to have a diuretic effect, meaning that it increases the flow of urine. However, there is no meaningful scientific documentation of this or any other medicinal effect of buchu.

Buchu contains various bioflavonoids, including
diosmin
,
rutin
, and
quercetin
.
1,2
Its
essential oil
contains a variety of aromatic substances, including limonene and menthone, along with the known liver toxin pulegone. While it is commonly said that the essential oil has antimicrobial effects, the only published study on the subject failed to find activity in this regard.
3
This study did, however, find possible antispasmodic actions, which could potentially reduce the pain of bladder infections.

Dosage

Buchu is typically taken at a dose of 1–2 grams of dried leaf three times daily, with meals. However, due to the toxicity of one of the constituents of buchu, we do not recommend using it at all.

Safety Issues

Because buchu contains the known liver toxin pulegone, the herb should be used only with great caution, if at all. It also frequently causes stomach upset. It definitely should not be used by young children, pregnant or nursing women, or people with liver or kidney disease.

In addition, if buchu does in fact have diuretic effects as claimed, people taking the medication
lithium
should use buchu only under the supervision of a physician, as dehydration can be a danger with this medication.
4

Interactions You Should Know About

If you are taking
lithium
, do not use buchu except under the supervision of a physician.

Revision Information

This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.